PAC Racing 1300 Series Dual Spring Valve Springs - 550 lb./in Spring Rate - 1.150" Coil Bind - 1.550" OD (Set of 16) 3550224-123- XL Positively stop piston in order

Positively stop piston in order to find Top Dead Center (TDC)

check valve vent Mil Spec anodized AN-8 pickup and vent fitting 360 degree mounting strap recesses

GT40 / Cobra Manifold

2001-2013 Chevrolet Express 3500

Argo Manufacturing offers chassis components

PAC Racing 1300 Series Dual Spring Valve Springs - 550 lb./in Spring Rate - 1.150" Coil Bind - 1.550" OD (Set of 16) 3550224-123- XL Positively stop piston in orderProduct Description: Valve Spring 1300 Series Dual Spring 550 lb in Spring Rate 1. 150 in Coil Bind 1. 550 in OD Set of 16 PAC Racing Springs is part of the Race Winning Brands Family. With more than 100 years of spring manufacturing experience. We understand the demands of racing and provide a commitment to all of our customers to provide the best service possible. We continue to expand products and offer expanded onsite technical services at various